Question

.
7. Let U be the universal set, and A and B be any two sets. If n(U) = 20, n(A) = 12, n(B) = 4 and
n(
AB)' = 17, find the following.
(i) n(
AB)
(ii) n(AUB)
(iii) n(A-B)
(iv) n(B - A)​

Answer 1

Answer:

Step-by-step explanation: